Gin-saw filer



E. B. BRIDGES.

GIN SAW FILER. APPLICATION FILEID JULY 7, I919.

Patented Nov. 15, 1921.

PATENT QEFFlCE.

ELZIA BIB BRIDGES, OF REMMEL, ARKANSAS.

GIN-SAW FILER.

eonora.

Specification of Letters Patent.

Patented Nov. 15, 1921.

Application filed July 7, 1919. Serial No. 308,956.

To all whom it may concern:

Be it known that I, ELZIA BIB BRIDGES, a citizen of the United States, residing at Remmel, in the county of Jackson and State of Arkansas, have invented certain new and useful Improvements in Gin-Saw Filers, of which the following is a specification, reference being had therein to the accompanying drawings.

The object of my invention is to provide an efiicient, easily operated gin saw filer of simple and strong construction, and to this end my invention consists in the gin saw filer constructed substantially as hereinafter specified and claimed.

I show in the drawings what I now consider the best construction of my invention, but it is to be understood that the drawing is merely illustrative and is not intended to show the only construction of machine that may embody the principle of my invention.

In such drawings,

Figure 1 is a view in perspective, of said machine; and

Fig. 2 is a side elevation.

The base or frame of the machine (which may rest on legs not shown) consists simply of a horizontal flat plate or platform 10, and two vertical end plates 11, each provided with a vertical slot 12, in which is slidably mounted a plate or slide 13, the opposite edges of the plate 18 being provided with vertical grooves 14 which engage guides in the adjacent edges of the end plate 11 in whose slot 12 the slide is situated. Journaled in, and supported by the two slides 13 is a horizontal shaft 15, which projects considerably beyond one slide and carries on that end a filer disk 16, and on its other end it has a pinion 17 which meshes with and is driven by a gear wheel 18 which is fixed to a shaft 19 that lies parallel with the filer shaft 15. The shaft 19 is journaled in bearings in the upper ends of two vertical bars 20, one on the inner side of each end plate 11, and at each end said shaft 19 has an eccentric 190 that enters a hole in the adjacent slide 13 and thereby the sliding motion of the two slides is obtained. A brace bar or rod 21 extends between the two bars 20 at their lower ends. As the driving gear wheel 18 is fixed to one of the shaft eccentrics, such wheel partakes of the up and down movement, and thus remains in mesh with the pinion 17. The gear wheel 18 has a crank handle 22 for revolving it.

Pivoted by a bolt or pin 23 to the upper end of a bracket 24 rising from the base 10, 1s a bar 25, which at one end is pivotally connected to lugs 26 on the slide 13 that is near the gear wheel 18, and at its other end passes through a slot 27 in the other slide, and beyond the latter has pivoted to it a feed dog or pawl 28 whose free end is in position to engage a tooth of the saw being filed, and when moved downward, to rotate the saw sufiiciently to remove a tooth just filed from filer-engaging position and to present a succeeding tooth in position for filing. The vibration of the bar or lever 25 to effect this feeding motion is produced by the reciprocation of the slides 13. Thus, the lift ing of the filer disk from a just-filed tooth, and the feeding motion are both produced by the action of the slides 13. The bracket 24 is adjustably attached to the base 10 to vary the stroke of the feed lever.

A curved, slotted arm 29,.supported by the base 10, is provided to hold the saw while being filed, and to support the saw blade adjacent the filer disk, I use a vertical finger 30 that extends downward from the apex of a V-shaped bracket 31 which is secured to the adjacent end plate 11.

What I claim is 1. In a saw filer, the combination of a filer-carrying shaft, a pair of slides supporting said shaft, means for reciprocating the slides in a direction cross-wise of the shaft, a saw feed device, and an operative connection between the latter and one of said slides.

2. In a saw filer, the combination of a filer device, an operating shaft therefor, a movable support for said shaft comprising a pair of slides, means to reciprocate the slides; a feed dog, a lever carrying the latter, and a connection between the lever and one of said slides.

3. In a saw filer, the combination of a filer device, an operating shaft therefor, a movable support for said shaft comprising a pair of slides, means to reciprocate the slides;

a feed dog, a lever carrying the latter, a drive shaft, and gearing between the two shafts mounted upon and moving with one of said slides.

4. In a saw filer, the combination of a filer device, an operating shaft therefor, a movable support for said shaft comprising a pair of slides, means to reciprocate the slides;

a feed dog, a lever carrying the latter, a drive shaft, gearing between the two shafts 10 mounted upon and moving with one of said slides, and an eccentric connection between the drive shaft and said support.

In testimony whereof I afiix my signature.

ELZIA BIB earners. 

